RIGOL
Copyright ©1998-2008 RIGOL Technologies, Inc.
User’s Guide for DS1000CA Series
2-25
Understand the Horizontal System
The oscilloscope shows the time per division in the scale readout. Since all active
waveforms use the same time base, the oscilloscope only displays one value for all
the active channels, except when using Delayed Scan, or Alternative Trigger.
The horizontal controls changes the horizontal scale and position of waveforms. The
horizontal center of the screen is the time reference for waveforms. Changing the
horizontal scale causes the waveform to expand or contract with respect to the
screen center.
Horizontal position changes the displayed waveform position, relative to the trigger
point.
The Horizontal Knobs
: The horizontal knob adjusts the horizontal position of
all channel (include Math) waveforms. The resolution of this control
varies with the time base. Pressing this button clears trigger offset
and moves the trigger point to the horizontal center of the screen.
: Use to select the horizontal time/div (scale factor) for the
main or the Delayed Scan time base. When Delayed Scan is enabled, it
changes the width of the window zone by changing the Delayed Scan
time base.
Horizontal Menu
Press the horizontal MENU button to display the horizontal menu. The settings of this
menu are listed in the following table.
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